Panasonic Toughbook CF-19 CF19 MK3 CF-19KHS49AE C2D 1,2Ghz, 4GB, 160GB, Vista. Panasonic Toughbook. is a strong and rugged laptop that can withstand harsh working conditions. This laptop is shockproof, drop-proof, waterproof, and it does not cause any problems even with rough handling.